1SMA4728A-1SMA4764A 1000mW ZENER DIODES FEATURES : * Complete voltage range 3.3 to 100 volts * High peak reverse power dissipation * High reliability * Low leakage current * Standard zener voltage tolerance is ± 5%. MECHANICAL DATA * Case : SMA (DO-214AC) Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Lead formed for Surface mount * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.064 gram MAXIMUM RATINGS Rating at 25 °C ambient temperature unless otherwise specified Rating Symbol Value Unit DC Power Dissipation at TL = 75 °C (Note1) PD 1.0 W Maximum Forward Voltage at I F = 200 mA VF 1.2 V Junction Temperature Range TJ - 55 to + 150 °C Storage Temperature Range TS - 55 to + 150 °C Note : (1) P.C.B. Mounted on 0.31x0.31x0.08" (8x8x2mm) copper areas pad PD, MAXIMUM DISSIPATION (WATTS) Fig. 1 MAXIMUM CONTINUOUS POWER DERATING 1.25 1.00 0.75 0.50 P.C.B. Mounted on 0.31x0.31x0.08" (8x8x2mm) copper areas pads 0.25 0 0 25 50 75 100 125 150 175 TL, LEAD TEMPERATURE (°C) E-mail: [email protected] 1 of 2 Web Site: www.taychipst.com 1SMA4728A-1SMA4764A 1000mW ZENER DIODES Zener voltage 齐纳电压 TYPE 型号 Dynamic resistance 动态阻抗 Maximum reverse current 最大反向电流 TA=25℃ Maximum regulator current 最大稳压电流 Power dissipation 耗散功率 IR@V R V IZM mA Pd mW Package 封装形式 VZ@IZT V IZT mA ZZT@I ZT ZZK@IZK Ω Ω IZK mA 1SMA4728A 3.3 76 10 400 1.0 100 1.0 276 1000 SMA 1SMA4729A 3.6 69 10 400 1.0 100 1.0 252 1000 SMA 1SMA4730A 3.9 64 9 400 1.0 50 1.0 234 1000 SMA 1SMA4731A 4.3 58 9 400 1.0 10 1.0 217 1000 SMA 1SMA4732A 4.7 53 8 500 1.0 10 1.0 193 1000 SMA 1SMA4733A 5.1 49 7 550 1.0 10 1.0 178 1000 SMA 1SMA4734A 5.6 45 5 600 1.0 10 2.0 162 1000 SMA 1SMA4735A 6.2 41 2 700 1.0 10 3.0 146 1000 SMA 1SMA4736A 6.8 37 3.5 700 1.0 10 4.0 133 1000 SMA 1SMA4737A 7.5. 34 4 700 0.5 10 5.0 121 1000 SMA 1SMA4738A 8.2 31 4.5 700 0.5 10 6.0 110 1000 SMA 1SMA4739A 9.1 28 5 700 0.5 10 7.0 100 1000 SMA 1SMA4740A 10 25 7 700 0.25 10 7.6 91 1000 SMA 1SMA4741A 11 23 8 700 0.25 5 8.4 83 1000 SMA 1SMA4742A 12 21 9 700 0.25 5 9.1 76 1000 SMA 1SMA4743A 13 19 10 700 0.25 5 9.9 69 1000 SMA 1SMA4744A 15 17 14 700 0.25 5 11.4 61 1000 SMA 1SMA4745A 16 15.5 16 700 0.25 5 12.4 57 1000 SMA 1SMA4746A 18 14 20 750 0.25 5 13.7 50 1000 SMA 1SMA4747A 20 12.5 22 750 0.25 5 15.2 45 1000 SMA 1SMA4748A 22 11.5 23 750 0.25 5 16.7 41 1000 SMA 1SMA4749A 24 10.5 25 750 0.25 5 18.2 38 1000 SMA 1SMA4750A 27 9.5 35 750 0.25 5 20.6 34 1000 SMA 1SMA4751A 30 8.5 40 1000 0.25 5 22.8 30 1000 SMA 1SMA4752A 33 7.5 45 1000 0.25 5 25.1 27 1000 SMA 1SMA4753A 36 7 50 1000 0.25 5 27.4 25 1000 SMA 1SMA4754A 39 6.5 60 1000 0.25 5 29.7 23 1000 SMA 1SMA4755A 43 6 70 1500 0.25 5 32.7 22 1000 SMA 1SMA4756A 47 5.5 80 1500 0.25 5 35.8 19 1000 SMA 1SMA4757A 51 5 95 1500 0.25 5 38.8 18 1000 SMA 1SMA4758A 56 4.5 110 2000 0.25 5 42.6 16 1000 SMA 1SMA4759A 62 4 125 2000 0.25 5 47.1 14 1000 SMA 1SMA4760A 68 3.7 150 2000 0.25 5 51.7 13 1000 SMA 1SMA4761A 75 3.3 175 2000 0.25 5 56 12 1000 SMA 1SMA4762A 82 3 200 3000 0.25 5 62.2 11 1000 SMA 1SMA4763A 91 2.8 250 3000 0.25 5 69.2 10 1000 SMA 1SMA4764A 100 2.5 350 3000 0.25 5 76 9 1000 SMA E-mail: [email protected] μA 2 of 2 Web Site: www.taychipst.com